sass/susy/language/susy/_isolate.scss in susy-2.0.0.alpha.6 vs sass/susy/language/susy/_isolate.scss in susy-2.0.0.beta.1

@@ -23,18 +23,18 @@
 // - $input: <map>
 @function get-isolation(
   $input
 ) {
   $span       : susy-get(span, $input);
-  $location   : susy-get(location, $input);
+  $location   : get-location($input);
   $columns    : susy-get(columns, $input);
   $width      : null;
 
   @if type-of($location) == number and not unitless($location) {
     $width: $location;
-  } @else {
-    $push: get-location($span, $location, $columns) - 1;
+  } @else if $location {
+    $push: $location - 1;
     @if $push > 0 {
       $push: map-merge($input, (
         span: $push,
         location: 1,
         spread: wide,
@@ -45,7 +45,7 @@
 
   @if susy-get(gutter-position, $input) == split {
     $width: if($width == null, gutters($input), $width + gutters($input));
   }
 
-  @return $width;
+  @return $width or 0;
 }